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The physicians in our directory are members of a Children’s Health hospital medical staff or are credentialed by Children’s Health for managed care participation. Some physicians are employed by Children’s Health, some are employed elsewhere, and some maintain an independent medical practice. There is no fee for being listed in our directory. The physicians populating your search results are selected based on the criteria that you provide and are then listed alphabetically. If a physician is no longer on a Children’s Health medical staff or participating in a Children’s Health managed care agreement, he/she would not be eligible to be listed in our directory.

Fiemu E. Nwariaku, MD $$

Pediatric Endocrine Surgeon

Professor at UT Southwestern Medical Center

Languages Spoken:
UT Southwestern Pediatric Group


Ohwofiemu Nwariaku, M.D., is a surgeon at Children’s Health℠ who is at the forefront of breakthroughs in treating disorders of the endocrine system.

Dr. Nwariaku received his medical degree and early training in Nigeria before coming to UT Southwestern for his surgical residency and a research fellowship. He has been on the faculty at UT Southwestern since 1998.

Dr. Nwariaku is among the most experienced endocrine surgeons in North Texas, with specialized expertise in robotic and minimally invasive surgery. He is recognized worldwide for his work in advancing innovative surgical approaches to successfully remove benign and malignant adrenal tumors.

One of the hallmarks of Dr. Nwariaku’s work with patients is communication, which he says is key to defining effective surgical treatment strategies, as well as helping ease fears and anxiety.

“I actively provide information to my patients and their loved ones and answer any questions they have. I want them to understand what to expect from their surgery and postoperative care,” he says.

Dr. Nwariaku has published approximately 100 peer-reviewed journal articles, 15 book chapters, and three books. He has lectured on endocrine surgery and global health topics around the world.

Education and Training

Medical School
University of Ibadan (1987)
Baptist Medical Center-Nigeria (1988), Transitional Year
University of Texas Southwestern Medical Ctr GME (1998), General Surgery
University of Texas Southwestern Medical Ctr GME (1993), General Surgery
Baptist Medical Center-Nigeria (1991), General Surgery
Board Certification
American Board of Surgery

Departments and Programs

Endocrine Surgeon